[ltp] Strange LCD issue

[Pablo Vera]

I am having the same issue with a T30, behavior is similar as the one 
described by Jim, heat and position affect the flickering and it is 
getting worst.  I was thinking that maybe the screen connector is loose 
or has a false contact, that is affected by heat.  I will download the 
hardware manual from IBM and see if I can clean and reset the screen 
connector.  I'll report back what I find.

Pablo
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Jim Rockford wrote:
>
> I have been experiencing some ugly LCD flicker and blinking 
> kaleidoscopes on my T41p screen, a problem that gets progressively 
> worse the longer
> the machine as on (which I presume means that the hotter the machine 
> gets the worse the problem is).  However, today I made a puzzling 
> observation.
> When I have my Thinkpad placed on my desk, the flicker occurs as usual 
> (and it's at its worst when I browse the web and encounter 
> flash-intensive websites). 
> However, if I place the laptop on a book, raising it in the air above 
> my desk by 3 or 4 inches, then the flicker is almost completely 
> absent, and it remains that way.  I should note that if I tilt the 
> computer a little then the flickering behavior can return.  However, 
> if it sits level on this book (which does not encompass the
> entire underneath surface area of the machine), then the LCD has no 
> problems.  If I put it back directly on the desk, then the problems 
> occur in a 100% reproducible way.
>
> Can anyone explain this?  Is it a matter of the machine needing to 
> "breathe" or something?  Why does tilting the machine exaggerate the 
> LCD flickerings?
>
> Thanks,
> Jim
>
>